Added support for the mgsuvd board from keymile.

Signed-off-by: Heiko Schocher <hs@denx.de>

1 files changed, 216 insertions, 0 deletions

diff --git a/board/mgsuvd/mgsuvd.c b/board/mgsuvd/mgsuvd.c
new file mode 100644
index 0000000..dd7d823
--- /dev/null
+++ b/board/mgsuvd/mgsuvd.c
@@ -0,0 +1,216 @@
+/*
+ * (C) Copyright 2007
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#if 0
+#define DEBUG
+#endif
+
+#include <common.h>
+#include <mpc8xx.h>
+
+#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+const uint sdram_table[] =
+{
+	0x0f07fc04, 0x0ffffc04, 0x00bdfc04, 0x0ff77c00,
+	0x1ffffc05, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+	/* 0x08 Burst Read */
+	0x0f07fc04, 0x0ffffc04, 0x00bdfc04, 0x00fffc00,
+	0x00fffc00, 0x00fffc00, 0x0ff77c00, 0x1ffffc05,
+	/* 0x10 Load mode register */
+	0x0ffffc34, 0x0ff57c04, 0x0ffffc04, 0x1ffffc05,
+	0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+	/* 0x18 Single Write */
+	0x0f07fc04, 0x0ffffc00, 0x00bd7c04, 0x0ffffc04,
+	0x0ff77c04, 0x1ffffc05, 0xfffffc04, 0xfffffc04,
+	/* 0x20 Burst Write */
+	0x0f07fc04, 0x0ffffc00, 0x00bd7c00, 0x00fffc00,
+	0x00fffc00, 0x00fffc04, 0x0ffffc04, 0x0ff77c04,
+	0x1ffffc05, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+	0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+	/* 0x30 Precharge all and Refresh */
+	0x0ff77c04, 0x0ffffc04, 0x0ff5fc84, 0x0ffffc04,
+	0x0ffffc04, 0x0ffffc84, 0x1ffffc05, 0xfffffc04,
+	0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+	/* 0x3C Exception */
+	0x7ffffc04, 0xfffffc07, 0xfffffc04, 0xfffffc04,
+};
+
+int checkboard (void)
+{
+	puts ("Board: Keymile mgsuvd\n");
+	return (0);
+}
+
+long int initdram (int board_type)
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+	long int size;
+
+	upmconfig (UPMB, (uint *) sdram_table,
+			   sizeof (sdram_table) / sizeof (uint));
+
+	/*
+	 * Preliminary prescaler for refresh (depends on number of
+	 * banks): This value is selected for four cycles every 62.4 us
+	 * with two SDRAM banks or four cycles every 31.2 us with one
+	 * bank. It will be adjusted after memory sizing.
+	 */
+	memctl->memc_mptpr = CFG_MPTPR;
+
+	/*
+	 * The following value is used as an address (i.e. opcode) for
+	 * the LOAD MODE REGISTER COMMAND during SDRAM initialisation. If
+	 * the port size is 32bit the SDRAM does NOT "see" the lower two
+	 * address lines, i.e. mar=0x00000088 -> opcode=0x00000022 for
+	 * MICRON SDRAMs:
+	 * ->    0 00 010 0 010
+	 *       |  |   | |   +- Burst Length = 4
+	 *       |  |   | +----- Burst Type   = Sequential
+	 *       |  |   +------- CAS Latency  = 2
+	 *       |  +----------- Operating Mode = Standard
+	 *       +-------------- Write Burst Mode = Programmed Burst Length
+	 */
+	memctl->memc_mar = CFG_MAR;
+
+	/*
+	 * Map controller banks 1 to the SDRAM banks 1 at
+	 * preliminary addresses - these have to be modified after the
+	 * SDRAM size has been determined.
+	 */
+	memctl->memc_or1 = CFG_OR1_PRELIM;
+	memctl->memc_br1 = CFG_BR1_PRELIM;
+
+	memctl->memc_mbmr = CFG_MBMR & (~(MBMR_PTBE));	/* no refresh yet */
+
+	udelay (200);
+
+	/* perform SDRAM initializsation sequence */
+
+	memctl->memc_mcr = 0x80802830;	/* SDRAM bank 0 */
+	udelay (1);
+	memctl->memc_mcr = 0x80802110;	/* SDRAM bank 0 - execute twice */
+	udelay (1);
+
+	memctl->memc_mbmr |= MBMR_PTBE;	/* enable refresh */
+
+	udelay (1000);
+
+	/*
+	 * Check Bank 0 Memory Size for re-configuration
+	 *
+	 */
+	size =  get_ram_size(SDRAM_BASE1_PRELIM, SDRAM_MAX_SIZE);
+
+	udelay (1000);
+
+	debug ("SDRAM Bank 0: %ld MB\n", size >> 20);
+
+	return (size);
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
+/*
+ * update "memory" property in the blob
+ */
+void ft_blob_update(void *blob, bd_t *bd)
+{
+	int ret, nodeoffset = 0;
+	ulong brg_data[1] = {0};
+	ulong memory_data[2] = {0};
+	ulong flash_data[4] = {0};
+
+	memory_data[0] = cpu_to_be32(bd->bi_memstart);
+	memory_data[1] = cpu_to_be32(bd->bi_memsize);
+
+		nodeoffset = fdt_path_offset (blob, "/memory");
+		if (nodeoffset >= 0) {
+			ret = fdt_setprop(blob, nodeoffset, "reg", memory_data,
+						sizeof(memory_data));
+		if (ret < 0)
+			printf("ft_blob_update): cannot set /memory/reg "
+				"property err:%s\n", fdt_strerror(ret));
+		}
+		else {
+			/* memory node is required in dts */
+			printf("ft_blob_update(): cannot find /memory node "
+			"err:%s\n", fdt_strerror(nodeoffset));
+	}
+
+	flash_data[2] = cpu_to_be32(bd->bi_flashstart);
+	flash_data[3] = cpu_to_be32(bd->bi_flashsize);
+	nodeoffset = fdt_path_offset (blob, "/localbus");
+	if (nodeoffset >= 0) {
+		ret = fdt_setprop(blob, nodeoffset, "ranges", flash_data,
+					sizeof(flash_data));
+	if (ret < 0)
+		printf("ft_blob_update): cannot set /localbus/ranges "
+			"property err:%s\n", fdt_strerror(ret));
+	}
+	else {
+		/* memory node is required in dts */
+		printf("ft_blob_update(): cannot find /localbus node "
+		"err:%s\n", fdt_strerror(nodeoffset));
+	}
+	/* BRG */
+	brg_data[0] = cpu_to_be32(bd->bi_busfreq);
+	nodeoffset = fdt_path_offset (blob, "/soc866/cpm");
+	if (nodeoffset >= 0) {
+		ret = fdt_setprop(blob, nodeoffset, "brg-frequency", brg_data,
+					sizeof(brg_data));
+	if (ret < 0)
+		printf("ft_blob_update): cannot set /soc866/cpm/brg-frequency "
+			"property err:%s\n", fdt_strerror(ret));
+	}
+	else {
+		/* memory node is required in dts */
+		printf("ft_blob_update(): cannot find /localbus node "
+		"err:%s\n", fdt_strerror(nodeoffset));
+	}
+	/* MAC Adresse */
+	nodeoffset = fdt_path_offset (blob, "/soc866/cpm/scc");
+	if (nodeoffset >= 0) {
+		ret = fdt_setprop(blob, nodeoffset, "mac-address", bd->bi_enetaddr,
+					sizeof(uchar) * 6);
+	if (ret < 0)
+		printf("ft_blob_update): cannot set /soc866/cpm/scc/mac-address "
+			"property err:%s\n", fdt_strerror(ret));
+	}
+	else {
+		/* memory node is required in dts */
+		printf("ft_blob_update(): cannot find /localbus node "
+		"err:%s\n", fdt_strerror(nodeoffset));
+	}
+}
+
+void ft_board_setup(void *blob, bd_t *bd)
+{
+	ft_cpu_setup( blob, bd);
+	ft_blob_update(blob, bd);
+}
+#endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */